<template>
  <div class="uploadFile">
    <el-upload
      class="avatar-uploader"
      name="file"
      :action="uploadUrl"
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :before-upload="beforeAvatarUpload"
    >
      <div v-if="type === 'image'">
        <img v-if="value" :src="baseUrl + '/' + value" class="avatar" />
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </div>
      <div v-else>
        <video
          v-if="value"
          :src="baseUrl + '/' + value"
          controls
          class="avatar"
        ></video>
        <i v-else class="el-icon-plus avatar-uploader-icon"></i>
      </div>
    </el-upload>
  </div>
</template>

<script lang="ts">
import { Vue, Component, Prop } from 'vue-property-decorator'
@Component({
  name: 'UploadFile'
})
export default class UploadFile extends Vue {
  declare fileUrl: string

  @Prop({ type: String, default: 'image' }) type?: string
  @Prop({ type: String, default: '' }) value?: string

  data() {
    return {
      uploadUrl: process.env.VUE_APP_BASEURL + '/question/upload',
      // fileUrl: ''
      baseUrl: process.env.VUE_APP_BASEURL
    }
  }
  handleAvatarSuccess(res: any) {
    // this.fileUrl = process.env.VUE_APP_BASEURL + '/' + res.data.url

    this.$emit('input', res.data.url)
  }
  beforeAvatarUpload(file: any) {
    if (this.type === 'image') {
      const isImage =
        file.type === 'image/jpeg' ||
        file.type === 'image/png' ||
        file.type === 'image/gif'
      const isLt2M = file.size / 1024 / 1024 < 2

      if (!isImage) {
        this.$message.error('上传头像图片只能是 JPG/PNG/GIF 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }
      return isImage && isLt2M
    } else {
      const isImage = file.type === 'video/mp4'
      const isLt2M = file.size / 1024 / 1024 < 2

      if (!isImage) {
        this.$message.error('上传视频图片只能是 MP4 格式!')
      }
      if (!isLt2M) {
        this.$message.error('上传视频大小不能超过 2MB!')
      }
      return isImage && isLt2M
    }
  }
}
</script>

<style lang="scss" scoped>
.uploadFile /deep/ {
  .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409eff;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
}
</style>
